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Jandy
®
JXi
™
Gas-Fired Pool and Spa Heater | Installation & Operation Manual
5.2.1 Reverse Plumbing Connection
The JXi heater is shipped with the manifold on
the right side by default. If necessary the water
connections can be orientated to the left side by
rotating the top panel of the appliance.
NOTE: The electrical raceway, transformer, PIB, Ignition
control and voltage selector board are all
accessed through the default front panel. Special
considerations should be made for service
clearance, see Figure 2, before the fi nal location
and orientation of the appliance is determined.
• Turn off all power to the heater at the breaker.
• Ensure that the pump is off and will remain off for
the duration of the procedure.
Remove the four black screws securing the
heater top panel to the heater body.
Lift the heater top panel. Be careful not to
damage or apply undue stress to the user interface
wiring.
Rotate the heater top panel 180°.
• Place the heater top panel on the heater body.
• Secure with the four screws removed in step “a”.
• Restore power to the heater.
• Return the heater to normal operation.
1
8
0
°
5.2.2 Water Inlet Plumbing
For ASME heater models JXi400NC, JXi400PC, JXi260NC and JXi260PC please go to “Appendix A. ASME
®
Header” on page 55.
positioning as needed.
• Clean all adhesion surfaces with an appropriate
NSF
®
approved all purpose cleaner/primer.
• Slide the union nut onto the cut pipe length. or
sweep elbow. Ensure proper nut orientation with
threads directed towards the heater manifold. See
Figure 12.
• Use approved NSF adhesive to glue the tailpiece
onto the cut pipe, or sweep elbow.
NOTE: Zodiac Pool Systems LLC recommends Weld-
On® 724TM PVC to CPVC Cement to glue
Schedule 40 PVC.
Sweep
Elbow
Inlet
Filter
Outlet
Check Valve
Pump
Heater
Sweep
Elbow
Figure 11. Versa Plumb Heater Inlet
There are two options for water inlet connections
on the JXi. Both confi gurations use the same water
outlet to return heated water to the pool. Be sure
to check fl ow rates as outlined in Section 5.1 and if
necessary make provisions for and ensure suffi cient
space for the installation of a manual bypass valve
as outlined in Section 5.1.1.
The top inlet is intended for use with the Jandy Versa
Plumb
®
sweep elbow. Plumbing in this confi guration
can increase hydraulic effi ciency particularly when
used in a system with other Versa Plumb compatible,
Jandy Equipment. See Figure 11.
The sweep elbow also provides the advantage of its
exclusive interface with the Zodiac AquaLink
®
RS
temperature sensor.
The side inlet is positioned at a 10 1/8 in (255.7
cm) center height providing an ideal height for
replacement unit or new construction plumbing.
• Turn off all power to the heater at the breaker.
• Turn off main gas supply to heater.
• Ensure that the pump is off and will remain off for
the duration of the procedure.
• Do a dry fi t test of cut pipe lengths in order to
ensure proper seating of the union tailpiece
and o-ring. Make adjustments to pipe length or
NOTE: Maintain
12”US/
24”CAN
Service
Clearance
at “rear” of
Heater when
reversed.
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